Why: The main reason was minimize risk of someone being lost at sea. Risk assessments came back very similar with all applications. The required an alert or personal locator beacon to be automated or water activated (both fresh water and salt water). The system had to provide an immediate alarm to the crew and then precision direction back to the MOB, basically a locally managed rescue.

406 Local Emergency ReceiverThe 406 Local Emergency Receiver is a highly effective 406 beacon decoder/receiver. This device
can function as a lost diver locator, a man overboard alert, PLB NMEA location decoder, a PLB detection & location receiver and local or search and
rescue distress alarm.